Home » Freebies » Free Food Samples » Emergen-C Free Sample Free Food Samples Emergen-C Free Sample Sarah / March 8, 2019 Fill out a short form to score a Emergen-C free sample. These packets contains vitamin C, vitamin D, probiotics, hydrates and energy etc. It supports your immune system. Take it and stay healthy. U.S. Residents Only. Get a Free Sample! You can also follow Us on Facebook, Twitter, Pinterest, and Instagram for 24-hour freebie updates & more!